短语词组短語drop -hanger bearing 懸掛軸承hanger bearing assembly 懸琯軸承組郃dro -hanger bearing 懸掛軸承elevator hanger bearing 鏈耙吊架軸承post hanger bearing 柱式吊架軸承longitudinal wall hanger bearing 牆托架軸承;牆托架 返回 hanger bearing